000 00616nam a2200181ua 4500
001 256978
005 20170525171843.0
008 081014 1993 XXUa ### NNNN eng
040 _aIGNCA, New Delhi
044 _axxu
082 0 _a778.35
_bWAL
100 1 _aWalker, James W.
245 1 _aLow attitutude large scale reconnaissance
_ba method of obtaining high resolution vertical photographs for small areas
_cJames W. Walker
260 _aColorado
_bInteragency Archaeological Services
_c1993
300 _aviii, 127p.
_bill.
_c30cm
650 0 0 _aPhotography
942 _2ddc
_cBK
999 _c389006
_d389006